Captain of Other Star Destroyer is an NPC, an Imperial Captain of a Star Destroyer (duh).
The Enemy Let Slip Edit
Han after dropping a coin during a coin toss that landed beneath the floor cracks in some wiring, decided he'd go after that coin and promised not to lie about which side it landed on. Princess told him not to come back until he'd found it. She and Chewbacca decided that two star destroyers up ahead were flying awfully close to each other. They flew the Falcon in between the two star destroyers, shaking off pursuit from the PIE fighters. Captain Needa, the captain of one of the star destroyers, got into a heated traffic argument with the Captain of Other Star Destroyer.